s3:test: fix registry roundtrip test on older systems (usage of mktemp)

--tmpdir is not a valid option to mktemp on older systems

diff --git a/source3/script/tests/test_net_registry_roundtrip.sh b/source3/script/tests/test_net_registry_roundtrip.sh
index 52ce192af48df536b7a66153077a0228f5e7bbd4..eba28a6223802c272f11227f19c071f72318ee29 100755 (executable)
--- a/source3/script/tests/test_net_registry_roundtrip.sh
+++ b/source3/script/tests/test_net_registry_roundtrip.sh
@@ -59,7 +59,7 @@ LOGDIR_PREFIX="conf_roundtrip"
 
 conf_roundtrip()
 {
-    local DIR=$(mktemp -d --tmpdir=$PREFIX ${LOGDIR_PREFIX}_XXXX)
+    local DIR=$(mktemp -d ${PREFIX}/${LOGDIR_PREFIX}_XXXX)
     local LOG=$DIR/log
 
     echo conf_roundtrip $1 > $LOG